diff --git a/.gitignore b/.gitignore
index 6a00b9f9..c278e9ad 100644
--- a/.gitignore
+++ b/.gitignore
@@ -198,7 +198,8 @@ package.json
 .env
 application-oauth.yml
 application.properties
+/src/main/resources/firebase-private-key.json
+/src/main/resources/muffler-apple-auth-key.p8
 
 # Generated files
 src/main/generated/
-/src/main/resources/firebase-private-key.json
diff --git a/build.gradle b/build.gradle
index 91d29c1e..d9384e3d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -49,6 +49,7 @@ dependencies {
 	compileOnly 'org.projectlombok:lombok'
 	runtimeOnly 'com.mysql:mysql-connector-j'
 	annotationProcessor 'org.projectlombok:lombok'
+	annotationProcessor "org.springframework.boot:spring-boot-configuration-processor"
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 
 	implementation 'com.h2database:h2'
diff --git a/src/main/java/com/umc5th/muffler/domain/member/dto/AppleIdToken.java b/src/main/java/com/umc5th/muffler/domain/member/dto/AppleIdToken.java
new file mode 100644
index 00000000..c48bf162
--- /dev/null
+++ b/src/main/java/com/umc5th/muffler/domain/member/dto/AppleIdToken.java
@@ -0,0 +1,8 @@
+package com.umc5th.muffler.domain.member.dto;
+
+import lombok.Getter;
+
+@Getter
+public class AppleIdToken {
+    private String sub;
+}
diff --git a/src/main/java/com/umc5th/muffler/domain/member/dto/AppleToken.java b/src/main/java/com/umc5th/muffler/domain/member/dto/AppleToken.java
new file mode 100644
index 00000000..8c5a8f55
--- /dev/null
+++ b/src/main/java/com/umc5th/muffler/domain/member/dto/AppleToken.java
@@ -0,0 +1,18 @@
+package com.umc5th.muffler.domain.member.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Getter;
+
+@Getter
+public class AppleToken {
+    @JsonProperty("access_token")
+    private String accessToken;
+    @JsonProperty("token_type")
+    private String tokenType;
+    @JsonProperty("expires_in")
+    private String expiresIn;
+    @JsonProperty("refresh_token")
+    private String refreshToken;
+    @JsonProperty("id_token")
+    private String idToken;
+}
diff --git a/src/main/java/com/umc5th/muffler/domain/member/dto/KakaoUnlinkResponse.java b/src/main/java/com/umc5th/muffler/domain/member/dto/KakaoUnlinkResponse.java
index 34d4e1af..b492829a 100644
--- a/src/main/java/com/umc5th/muffler/domain/member/dto/KakaoUnlinkResponse.java
+++ b/src/main/java/com/umc5th/muffler/domain/member/dto/KakaoUnlinkResponse.java
@@ -1,12 +1,8 @@
 package com.umc5th.muffler.domain.member.dto;
 
-import lombok.AllArgsConstructor;
 import lombok.Getter;
-import lombok.NoArgsConstructor;
 
 @Getter
-@AllArgsConstructor
-@NoArgsConstructor
 public class KakaoUnlinkResponse {
     private Long id;
 }
diff --git a/src/main/java/com/umc5th/muffler/domain/member/service/AppleProperties.java b/src/main/java/com/umc5th/muffler/domain/member/service/AppleProperties.java
new file mode 100644
index 00000000..2fc29df4
--- /dev/null
+++ b/src/main/java/com/umc5th/muffler/domain/member/service/AppleProperties.java
@@ -0,0 +1,46 @@
+package com.umc5th.muffler.domain.member.service;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import javax.annotation.PostConstruct;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.stereotype.Component;
+import org.springframework.util.FileCopyUtils;
+
+@Component
+@ConfigurationProperties(prefix = "social-login.apple")
+@Getter
+@Setter
+@RequiredArgsConstructor
+public class AppleProperties {
+    private String grantType;
+    private String clientId;
+    private String keyId;
+    private String teamId;
+    private String audience;
+    private String privateKeyPath;
+    private String privateKey;
+
+    private final ResourceLoader resourceLoader;
+
+    @PostConstruct
+    public void init() throws IOException {
+        Resource resource = resourceLoader.getResource(privateKeyPath);
+        try (InputStreamReader reader = new InputStreamReader(resource.getInputStream(), StandardCharsets.UTF_8)) {
+            this.privateKey = FileCopyUtils.copyToString(reader);
+        }
+        this.privateKey = processKey(this.privateKey);
+    }
+
+    private String processKey(String pemKey) {
+        return pemKey.replaceAll("-----BEGIN PRIVATE KEY-----", "")
+                .replaceAll("-----END PRIVATE KEY-----", "")
+                .replaceAll("\\s", "");
+    }
+}
diff --git a/src/main/java/com/umc5th/muffler/domain/member/service/AppleService.java b/src/main/java/com/umc5th/muffler/domain/member/service/AppleService.java
index d5681a4c..9d21c6af 100644
--- a/src/main/java/com/umc5th/muffler/domain/member/service/AppleService.java
+++ b/src/main/java/com/umc5th/muffler/domain/member/service/AppleService.java
@@ -1,13 +1,67 @@
 package com.umc5th.muffler.domain.member.service;
 
+import static com.umc5th.muffler.global.response.code.ErrorCode.INTERNAL_SERVER_ERROR;
+
+import com.umc5th.muffler.domain.member.dto.AppleIdToken;
 import com.umc5th.muffler.domain.member.dto.LoginRequest;
+import com.umc5th.muffler.global.feign.AppleClient;
+import com.umc5th.muffler.global.response.exception.MemberException;
+import com.umc5th.muffler.global.security.jwt.JwtDecoder;
+import com.umc5th.muffler.global.util.DateTimeProvider;
+import io.jsonwebtoken.JwsHeader;
+import io.jsonwebtoken.Jwts;
+import io.jsonwebtoken.SignatureAlgorithm;
+import java.security.PrivateKey;
+import java.security.Security;
+import java.util.Base64;
 import lombok.RequiredArgsConstructor;
+import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+import org.bouncycastle.openssl.jcajce.JcaPEMKeyConverter;
 import org.springframework.stereotype.Service;
 
 @Service
 @RequiredArgsConstructor
 public class AppleService {
+    private final AppleClient appleClient;
+    private final AppleProperties appleProperties;
+    private final DateTimeProvider dateTimeProvider;
+
     public String login(LoginRequest request) {
-        return request.getIdToken();
+        String authentication = request.getIdToken();
+        String idToken = appleClient.getIdToken(
+                appleProperties.getClientId(),
+                generateClientSecret(),
+                appleProperties.getGrantType(),
+                authentication
+        ).getIdToken();
+
+        return JwtDecoder.decodePayload(idToken, AppleIdToken.class).getSub();
+    }
+
+    private String generateClientSecret() {
+        return Jwts.builder()
+                .setHeaderParam(JwsHeader.KEY_ID, appleProperties.getKeyId())
+                .setIssuer(appleProperties.getTeamId())
+                .setAudience(appleProperties.getAudience())
+                .setSubject(appleProperties.getClientId())
+                .setExpiration(dateTimeProvider.getDateAfterMinutes(5))
+                .setIssuedAt(dateTimeProvider.getIssuedDate())
+                .signWith(getPrivateKey(), SignatureAlgorithm.ES256)
+                .compact();
+    }
+
+    private PrivateKey getPrivateKey() {
+        Security.addProvider(new BouncyCastleProvider());
+        JcaPEMKeyConverter converter = new JcaPEMKeyConverter().setProvider("BC");
+
+        try {
+            byte[] privateKeyBytes = Base64.getDecoder().decode(appleProperties.getPrivateKey());
+            PrivateKeyInfo privateKeyInfo = PrivateKeyInfo.getInstance(privateKeyBytes);
+            return converter.getPrivateKey(privateKeyInfo);
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw new MemberException(INTERNAL_SERVER_ERROR, "String 타입 ApplePrivateKey convert 중 에러 발생");
+        }
     }
 }
diff --git a/src/main/java/com/umc5th/muffler/domain/member/service/KakaoService.java b/src/main/java/com/umc5th/muffler/domain/member/service/KakaoService.java
index 6344adc7..1c4cde1e 100644
--- a/src/main/java/com/umc5th/muffler/domain/member/service/KakaoService.java
+++ b/src/main/java/com/umc5th/muffler/domain/member/service/KakaoService.java
@@ -32,6 +32,7 @@ public String login(String idToken) {
     public void leave(String memberId) {
         try {
             kakaoClient.unlinkMember(Long.valueOf(memberId));
+            log.info("아이디 {}의 카카오 계정 연결 끊기가 완료되었습니다.", memberId);
         } catch (FeignException e) {
             String errorResult = e.getErrorResult();
             if (!errorResult.contains(KAKAO_LEAVE_EXCEPTION)) {
diff --git a/src/main/java/com/umc5th/muffler/global/feign/AppleClient.java b/src/main/java/com/umc5th/muffler/global/feign/AppleClient.java
new file mode 100644
index 00000000..527ecfb0
--- /dev/null
+++ b/src/main/java/com/umc5th/muffler/global/feign/AppleClient.java
@@ -0,0 +1,20 @@
+package com.umc5th.muffler.global.feign;
+
+import com.umc5th.muffler.domain.member.dto.AppleToken;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+@FeignClient(
+        name = "apple-client",
+        url = "https://appleid.apple.com"
+)
+public interface AppleClient {
+    @PostMapping("/auth/token")
+    AppleToken getIdToken(
+            @RequestParam("client_id") String clientId,
+            @RequestParam("client_secret") String clientSecret,
+            @RequestParam("grant_type") String grantType,
+            @RequestParam("code") String code
+    );
+}
diff --git a/src/main/java/com/umc5th/muffler/global/feign/KakaoClient.java b/src/main/java/com/umc5th/muffler/global/feign/KakaoClient.java
index f12c6112..002fbf62 100644
--- a/src/main/java/com/umc5th/muffler/global/feign/KakaoClient.java
+++ b/src/main/java/com/umc5th/muffler/global/feign/KakaoClient.java
@@ -5,9 +5,12 @@
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
-@FeignClient(name = "kakao-client", url = "https://kapi.kakao.com", configuration = {KakaoAuthInterceptor.class})
+@FeignClient(
+        name = "kakao-client",
+        url = "https://kapi.kakao.com",
+        configuration = {KakaoAuthInterceptor.class}
+)
 public interface KakaoClient {
-
     @PostMapping("/v1/user/unlink?target_id_type=user_id")
     KakaoUnlinkResponse unlinkMember(@RequestParam(value = "target_id") Long memberId);
 }
diff --git a/src/main/java/com/umc5th/muffler/global/response/code/ErrorCode.java b/src/main/java/com/umc5th/muffler/global/response/code/ErrorCode.java
index 59fbbe02..5d168d65 100644
--- a/src/main/java/com/umc5th/muffler/global/response/code/ErrorCode.java
+++ b/src/main/java/com/umc5th/muffler/global/response/code/ErrorCode.java
@@ -15,26 +15,23 @@ public enum ErrorCode {
     FORBIDDEN(HttpStatus.FORBIDDEN, "금지된 요청입니다."),
     INVALID_PERMISSION(HttpStatus.UNAUTHORIZED, "권한이 유효하지 않습니다."),
     INVALID_TOKEN(HttpStatus.UNAUTHORIZED, "토큰이 유효하지 않습니다."),
-
+    TOKEN_ERROR(HttpStatus.INTERNAL_SERVER_ERROR, "토큰 에러입니다."),
 
     // Member 에러
     MEMBER_NOT_FOUND(HttpStatus.NOT_FOUND, "존재하지 않는 사용자입니다."),
     UNSUPPORTED_SOCIAL_TYPE(HttpStatus.UNSUPPORTED_MEDIA_TYPE,"지원하지 않는 소셜 로그인 입니다."),
 
-
     // Goal 에러
     GOAL_NOT_FOUND(HttpStatus.NOT_FOUND, "존재하지 않는 목표입니다."),
     INVALID_GOAL_INPUT(HttpStatus.BAD_REQUEST, "올바르지 않은 목표 입력입니다."),
     NO_GOAL_IN_GIVEN_DATE(HttpStatus.BAD_REQUEST, "해당 날짜에 일치하는 목표가 없습니다"),
     CATEGORY_GOAL_NOT_FOUND(HttpStatus.NOT_FOUND, "존재하지 않는 카테고리 목표입니다."),
 
-
     // DailyPlan 에러
     DAILYPLAN_NOT_FOUND(HttpStatus.NOT_FOUND, "존재하지 않는 일일 소비 계획입니다."),
     NO_DAILY_PLAN_GIVEN_DATE(HttpStatus.NOT_FOUND, "수정하려는 소비날짜에 맞는 일일 목표가 없습니다. "
             + "목표가 설정된 다른 날로 수정을 하거나 수정하려는 날에 목표를 설정해주세요."),
 
-
     // Category 에러
     CATEGORY_NOT_FOUND(HttpStatus.NOT_FOUND, "존재하지 않는 카테고리입니다."),
     DUPLICATED_CATEGORY_NAME(HttpStatus.BAD_REQUEST, "카테고리 이름이 중복되었습니다."),
@@ -52,7 +49,6 @@ public enum ErrorCode {
     CANNOT_UPDATE_OTHER_MEMBER_EXPENSE(HttpStatus.UNAUTHORIZED, "다른 유저의 소비 내역을 수정할 수 없습니다"),
     CANNOT_UPDATE_TO_ZERO_DAY(HttpStatus.CONFLICT, "제로 데이로 지정한 날로는 소비 내역을 옮길 수 없습니다."),
 
-
     // Routine 에러
     INVALID_ROUTINE_INPUT(HttpStatus.BAD_REQUEST, "올바르지 않은 루틴 입력입니다."),
     ROUTINE_TYPE_NOT_FOUND(HttpStatus.BAD_REQUEST, "루틴 타입이 없거나 유효하지 않습니다."),
diff --git a/src/main/java/com/umc5th/muffler/global/security/jwt/JwtDecoder.java b/src/main/java/com/umc5th/muffler/global/security/jwt/JwtDecoder.java
new file mode 100644
index 00000000..78d3536a
--- /dev/null
+++ b/src/main/java/com/umc5th/muffler/global/security/jwt/JwtDecoder.java
@@ -0,0 +1,27 @@
+package com.umc5th.muffler.global.security.jwt;
+
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.umc5th.muffler.global.response.code.ErrorCode;
+import com.umc5th.muffler.global.response.exception.CommonException;
+import java.util.Base64;
+import java.util.Base64.Decoder;
+
+public class JwtDecoder {
+    private JwtDecoder() {}
+
+    public static <T> T decodePayload(String token, Class<T> targetClass) {
+        String[] tokenParts = token.split("\\.");
+        String payloadJWT = tokenParts[1];
+        Decoder decoder = Base64.getUrlDecoder();
+        String payload = new String(decoder.decode(payloadJWT));
+        ObjectMapper objectMapper = new ObjectMapper()
+                .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+
+        try {
+            return objectMapper.readValue(payload, targetClass);
+        } catch (Exception e) {
+            throw new CommonException(ErrorCode.TOKEN_ERROR, "JWT 토큰 페이로드 decode 중 에러 발생");
+        }
+    }
+}
diff --git a/src/main/java/com/umc5th/muffler/global/util/DateTimeProvider.java b/src/main/java/com/umc5th/muffler/global/util/DateTimeProvider.java
index 7dee31b0..01436fc6 100644
--- a/src/main/java/com/umc5th/muffler/global/util/DateTimeProvider.java
+++ b/src/main/java/com/umc5th/muffler/global/util/DateTimeProvider.java
@@ -5,5 +5,7 @@
 
 public interface DateTimeProvider {
     LocalDate nowDate();
+    Date getIssuedDate();
     Date getDateAfterDays(int duration);
+    Date getDateAfterMinutes(int minutes);
 }
diff --git a/src/main/java/com/umc5th/muffler/global/util/DefaultDateTimeProvider.java b/src/main/java/com/umc5th/muffler/global/util/DefaultDateTimeProvider.java
index 470ae12c..8891a892 100644
--- a/src/main/java/com/umc5th/muffler/global/util/DefaultDateTimeProvider.java
+++ b/src/main/java/com/umc5th/muffler/global/util/DefaultDateTimeProvider.java
@@ -17,6 +17,11 @@ public LocalDate nowDate() {
         return LocalDate.now(ZoneId.of(ZONE_ID));
     }
 
+    @Override
+    public Date getIssuedDate() {
+        return Date.from(ZonedDateTime.now(ZoneId.of(ZONE_ID)).toInstant());
+    }
+
     /**
      * @return (서울 시간대의 현재 시각 + duration 일) 후의 {@code Date} 반환
      */
@@ -26,4 +31,11 @@ public Date getDateAfterDays(int duration) {
                 ZonedDateTime.now(ZoneId.of(ZONE_ID))
                         .plus(duration, ChronoUnit.DAYS).toInstant());
     }
+
+    @Override
+    public Date getDateAfterMinutes(int minutes) {
+        return Date.from(
+                ZonedDateTime.now(ZoneId.of(ZONE_ID))
+                        .plus(minutes, ChronoUnit.MINUTES).toInstant());
+    }
 }
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 6e779233..e7721df9 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -76,6 +76,14 @@ jwt:
   aud: ${JWT_AUD}
 kakao:
   admin-key: ${KAKAO_APP_ADMIN}
+social-login:
+  apple:
+    grant-type: authorization_code
+    client-id: ${APPLE_CLIENT_ID}
+    key-id: ${APPLE_KEY_ID}
+    team-id: ${APPLE_TEAM_ID}
+    audience: https://appleid.apple.com
+    private-key-path: "classpath:muffler-apple-auth-key.p8"
 
 server:
   servlet:
diff --git a/src/test/resources/application.yml b/src/test/resources/application.yml
index c2d1decf..874c47b9 100644
--- a/src/test/resources/application.yml
+++ b/src/test/resources/application.yml
@@ -67,6 +67,14 @@ jwt:
   aud: testAUD
 kakao:
   admin-key: testAdmin
+social-login:
+  apple:
+    grant-type: authorization_code
+    client-id: testAppleClientId
+    key-id: testAppleKeyId
+    team-id: testAppleTeamId
+    audience: https://appleid.apple.com
+    private-key-path: "classpath:muffler-apple-auth-key.p8"
 server:
   servlet:
     encoding: